avcap::V4L1_Control Class Reference

#include <avcap/linux/V4L1_Control.h>

Inheritance diagram for avcap::V4L1_Control:

[legend]

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Detailed Description

Implementation of a V4L1-Control.

The V4L1 API supprots only controls for brightness, hue, colour, contrast, depth and whiteness. They are all integer values between 0 and 65535.

Public Types
enum	Ctrl {   BRIGHTNESS = 0, HUE, COLOUR, CONTRAST,   WHITENESS, DEPTH }
Public Member Functions
	V4L1_Control (V4L1_DeviceDescriptor *dd, Ctrl type, __u16 def)
virtual	~V4L1_Control ()
virtual int	getId () const
	Get the unique identifier of the control.
virtual int	getDefaultValue () const
	Get the default value of the control.
virtual const std::string &	getName () const
	Get the name of the control.
virtual int	setValue (int val)
	Set the new value of the control.
virtual int	getValue () const
	Get the current value of the control.
virtual int	reset ()
	Set the value of the control to the default value.
virtual const Interval &	getInterval () const
	Get the interval describing the range and step of valid values for this control.

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Member Enumeration Documentation

enum avcap::V4L1_Control::Ctrl

Enumerator:

BRIGHTNESS
HUE
COLOUR
CONTRAST
WHITENESS
DEPTH

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Constructor & Destructor Documentation

avcap::V4L1_Control::V4L1_Control	(	V4L1_DeviceDescriptor *	dd,
		Ctrl	type,
		__u16	def
	)

virtual avcap::V4L1_Control::~V4L1_Control

(

)

[inline, virtual]

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Member Function Documentation

virtual int avcap::V4L1_Control::getId

(

)

const [inline, virtual]

Get the unique identifier of the control.

Returns:

id

Implements avcap::Control.

virtual int avcap::V4L1_Control::getDefaultValue

(

)

const [inline, virtual]

Get the default value of the control.

Returns:

default value

Implements avcap::Control.

virtual const std::string& avcap::V4L1_Control::getName

(

)

const [virtual]

Get the name of the control.

Returns:

control name

Implements avcap::Control.

virtual int avcap::V4L1_Control::setValue

(

int

val

)

[virtual]

Set the new value of the control.

Parameters:

val

: The new value.

Returns:

0, if successful, -1 else

Implements avcap::Control.

virtual int avcap::V4L1_Control::getValue

(

)

const [virtual]

Get the current value of the control.

Returns:

the value

Implements avcap::Control.

virtual int avcap::V4L1_Control::reset

(

)

[virtual]

Set the value of the control to the default value.

Returns:

0, if successful, -1 else

Implements avcap::Control.

virtual const Interval& avcap::V4L1_Control::getInterval

(

)

const [inline, virtual]

Get the interval describing the range and step of valid values for this control.

Returns:

interval

Implements avcap::IntegerControl.

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The documentation for this class was generated from the following file:

• include/avcap/linux/V4L1_Control.h

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